The National Energy Audit Tool (NEAT) is an easy-to-use yet sophisticated Windows-based software tool designed for use within weatherization-type programs to identify cost-effective energy conservation measures for single-family, site-built homes and small multifamily homes.

CAMEL is one of the leading air conditioning load estimation and psychometrics programs available. It operates in the Northern and Southern hemisphere and has comprehensive copy and paste capability and detailed on screen Help

PsyCalc® is an electronic psychrometric calcultion tool that operates over a wide range of temperatures, moisture content and pressures. With two inputs, psychrometric properties and pressure, PsyCalc® returns eleven key properties.

CBECC-Com (California Building Energy Code Compliance) is an open source project that may be used by Code Agencies, Rating Authorities, or Utility Programs in the development of energy codes, standards, or efficiency programs.

Use TRACE Load 700 software - the building and load design modules of TRACE 700, Trane Air Conditioning Economics - to evaluate the effect of building orientation, size, shape, and mass based on hourly weather data and the resulting heat-transfer characteristics of air and moisture.

See how much energy and money and carbon you can save by making various design or remodeling changes to your home with this free new easy-to-use program. You can draw in the floor plan of your own house, then click and drag your windows to their correct location.

UcanPsi is a gratis software for calculating 2D and 3D thermal bridges. U-values for windows and doors can also be calculated. Heat flows, temperatures, isotherms and isoflows can be obtained. The program is validated according to ISO 10211 and ISO 10077.

Simergy is a building modeling platform used to create models and then predict their performance using several simulation engines.Current simulation engines include EnergyPlus, Radiance, and the CBECC building code compliance engine.

The Manufactured Home Energy Audit (MHEA) is an easy-to-use yet sophisticated Windows-based software tool designed for use within weatherization-type programs to identify cost-effective energy conservation measures for mobile homes.